What should Christians do in light of mockers and false teachers?

In facing mockers and false teachers, Christians are called to diligent watchfulness, as stated in 2 Peter 3:17-18. Believers are encouraged to grow in grace and knowledge of Jesus Christ, seeking truth in Scripture and relying on the guidance of the Holy Spirit to discern sound doctrine. By doing so, they protect themselves from the deceptions that can lead them away from the truth. The emphasis on personal growth and accountability in faith is crucial in fortifying the church against falsehood and ensuring the preservation of the gospel.